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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2 | pj | 1 | #include <ll/i386/hw-data.h> |
| 2 | #include <ll/i386/hw-instr.h> |
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| 3 | #include <ll/i386/mem.h> |
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| 4 | #include <ll/stdlib.h> |
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| 5 | |||
| 6 | #include <drivers/gd.h> |
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| 7 | |||
| 151 | giacomo | 8 | #include "font.h" |
| 2 | pj | 9 | #include "fun16.h" |
| 10 | |||
| 11 | #define fontaddr 0xffa6eL /* indirizzo set caratteri */ |
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| 12 | |||
| 13 | extern DWORD flbaddr; |
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| 14 | |||
| 15 | void RdWin_Hi(WORD x1, WORD y1, WORD x2, WORD y2, BYTE *buf) |
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| 16 | { |
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| 17 | WORD b_bank, b_offset, display_ptr; |
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| 18 | int dx, len1, len2, bank_num, row; |
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| 19 | /* int bank, enmem;*/ |
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| 20 | DWORD end_of_line, display_offset; |
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| 21 | WORD bytes_per_row; |
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| 22 | LIN_ADDR p; |
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| 23 | |||
| 24 | bytes_per_row = gd_getbpr(); |
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| 25 | p = buf; |
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| 26 | |||
| 27 | Seg_Off_Hi(x1, y1, bytes_per_row, &b_offset, &b_bank); |
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| 28 | dx = (x2 - x1) + 1; |
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| 29 | /*dx = (x2 - x1);*/ |
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| 30 | row = y1; |
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| 31 | display_offset = b_offset; |
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| 32 | display_ptr = display_offset; |
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| 33 | bank_num = b_bank; |
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| 34 | Load_Write_Bank_256(bank_num); |
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| 35 | do { |
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| 36 | end_of_line = display_ptr + (2 * (x2 - x1)); |
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| 37 | if (end_of_line >= 65536L) { |
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| 38 | len2 = (1 + (end_of_line - 65536L) / 2); |
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| 39 | len1 = dx - len2; |
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| 40 | /* Clr_Part(color, length_1, display_ptr);*/ |
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| 41 | memcpy(p, (LIN_ADDR)(0xA0000 + display_ptr), len1 * 2); /* NON CI VA *2???*/ |
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| 42 | p += len1 * 2; |
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| 43 | bank_num++; |
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| 44 | Load_Write_Bank_256(bank_num); |
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| 45 | display_ptr = 0; |
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| 46 | /* Clr_Part(color, length_2, display_ptr);*/ |
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| 47 | memcpy(p, (LIN_ADDR)(0xA0000 + display_ptr), len2 * 2); /* NON CI VA * 2 ???*/ |
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| 48 | p += len2 * 2; |
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| 49 | display_ptr = (bytes_per_row - (len1 * 2)); |
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| 50 | } else { |
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| 51 | /* Clr_Part(color, dx, display_ptr);*/ |
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| 52 | memcpy(p, (LIN_ADDR)(0xA0000 + display_ptr), dx * 2); /* NON CI VA * 2 ???*/ |
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| 53 | p += (dx * 2); |
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| 54 | display_offset = (DWORD)display_ptr + (DWORD)bytes_per_row; |
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| 55 | if (display_offset >= 65536L) { |
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| 56 | bank_num++; |
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| 57 | Load_Write_Bank_256(bank_num); |
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| 58 | display_ptr = display_offset - 65536L; |
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| 59 | } else { |
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| 60 | display_ptr += bytes_per_row; |
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| 61 | } |
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| 62 | } |
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| 63 | row++; |
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| 64 | } while (row <= y2); |
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| 65 | Load_Write_Bank_256(0); |
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| 66 | } |
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| 67 | |||
| 68 | void WrWin_Hi(WORD x1, WORD y1, WORD x2, WORD y2, BYTE *buf) |
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| 69 | { |
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| 70 | WORD b_bank, b_offset, display_ptr; |
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| 71 | int dx, len1, len2, bank_num, row; |
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| 72 | /* int bank, enmem;*/ |
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| 73 | DWORD end_of_line, display_offset; |
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| 74 | WORD bytes_per_row; |
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| 75 | LIN_ADDR p; |
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| 76 | |||
| 77 | bytes_per_row = gd_getbpr(); |
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| 78 | p = buf; |
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| 79 | |||
| 80 | Seg_Off_Hi(x1, y1, bytes_per_row, &b_offset, &b_bank); |
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| 81 | dx = (x2 - x1) + 1; |
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| 82 | /*dx = (x2 - x1);*/ |
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| 83 | row = y1; |
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| 84 | display_offset = b_offset; |
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| 85 | display_ptr = display_offset; |
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| 86 | bank_num = b_bank; |
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| 87 | Load_Write_Bank_256(bank_num); |
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| 88 | do { |
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| 89 | end_of_line = display_ptr + (2 * (x2 - x1)); |
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| 90 | if (end_of_line >= 65536L) { |
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| 91 | len2 = (1 + (end_of_line - 65536L) / 2); |
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| 92 | len1 = dx - len2; |
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| 93 | /* Clr_Part(color, length_1, display_ptr);*/ |
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| 94 | memcpy((LIN_ADDR)(0xA0000 + display_ptr), p, len1 * 2); /* NON CI VA *2???*/ |
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| 95 | p += len1 * 2; |
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| 96 | bank_num++; |
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| 97 | Load_Write_Bank_256(bank_num); |
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| 98 | display_ptr = 0; |
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| 99 | /* Clr_Part(color, length_2, display_ptr);*/ |
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| 100 | memcpy((LIN_ADDR)(0xA0000 + display_ptr), p, len2 * 2); /* NON CI VA * 2 ???*/ |
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| 101 | p += len2 * 2; |
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| 102 | display_ptr = (bytes_per_row - (len1 * 2)); |
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| 103 | } else { |
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| 104 | /* Clr_Part(color, dx, display_ptr);*/ |
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| 105 | memcpy((LIN_ADDR)(0xA0000 + display_ptr), p, dx * 2); /* NON CI VA * 2 ???*/ |
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| 106 | p += (dx * 2); |
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| 107 | display_offset = (DWORD)display_ptr + (DWORD)bytes_per_row; |
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| 108 | if (display_offset >= 65536L) { |
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| 109 | bank_num++; |
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| 110 | Load_Write_Bank_256(bank_num); |
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| 111 | display_ptr = display_offset - 65536L; |
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| 112 | } else { |
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| 113 | display_ptr += bytes_per_row; |
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| 114 | } |
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| 115 | } |
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| 116 | row++; |
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| 117 | } while (row <= y2); |
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| 118 | Load_Write_Bank_256(0); |
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| 119 | } |
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| 120 | |||
| 121 | void linPut16(WORD x1, WORD y1, WORD x2, WORD y2, BYTE *buf) |
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| 122 | { |
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| 123 | WORD bpr; |
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| 124 | LIN_ADDR addr, p; |
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| 125 | WORD dx, y; |
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| 126 | |||
| 127 | bpr = gd_getbpr(); |
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| 128 | p = buf; |
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| 129 | addr = (LIN_ADDR)(flbaddr + x1 * 2 + bpr * y1); |
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| 130 | dx = (x2 - x1 + 1) * 2; |
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| 131 | /*dx = (x2 - x1) * 2;*/ |
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| 132 | |||
| 133 | for (y = y1; y <= y2; y++) { |
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| 134 | memcpy(addr, p, dx); |
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| 135 | p += dx; |
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| 136 | addr += bpr; |
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| 137 | } |
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| 138 | } |
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| 139 | |||
| 140 | void linGet16(WORD x1, WORD y1, WORD x2, WORD y2, BYTE *buf) |
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| 141 | { |
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| 142 | WORD bpr; |
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| 143 | LIN_ADDR addr, p; |
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| 144 | WORD dx, y; |
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| 145 | |||
| 146 | bpr = gd_getbpr(); |
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| 147 | p = buf; |
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| 148 | addr = (LIN_ADDR)(flbaddr + x1 * 2 + bpr * y1); |
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| 149 | dx = (x2 - x1 + 1) * 2; |
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| 150 | /*dx = (x2 - x1) * 2;*/ |
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| 151 | |||
| 152 | for (y = y1; y <= y2; y++) { |
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| 153 | memcpy(p, addr, dx); |
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| 154 | p += dx; |
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| 155 | addr += bpr; |
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| 156 | } |
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| 157 | } |
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| 158 | |||
| 159 | void ClrWin_Hi(WORD x1, WORD y1, WORD x2, WORD y2, DWORD color) |
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| 160 | { |
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| 161 | WORD b_bank, b_offset, display_ptr; |
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| 162 | int dx, len1, len2, bank_num, row; |
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| 163 | /* int bank, enmem;*/ |
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| 164 | DWORD end_of_line, display_offset; |
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| 165 | WORD bytes_per_row; |
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| 166 | |||
| 167 | bytes_per_row = gd_getbpr(); |
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| 168 | |||
| 169 | Seg_Off_Hi(x1, y1, bytes_per_row, &b_offset, &b_bank); |
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| 170 | dx = (x2 - x1) + 1; |
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| 171 | row = y1; |
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| 172 | display_offset = b_offset; |
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| 173 | display_ptr = display_offset; |
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| 174 | bank_num = b_bank; |
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| 175 | Load_Write_Bank_256(bank_num); |
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| 176 | do { |
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| 177 | end_of_line = display_ptr + (2 * (x2 - x1)); |
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| 178 | if (end_of_line >= 65536L) { |
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| 179 | len2 = (1 + (end_of_line - 65536L) / 2); |
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| 180 | len1 = dx - len2; |
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| 181 | /* Clr_Part(color, length_1, display_ptr);*/ |
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| 182 | memsetw((LIN_ADDR)(0xA0000 + display_ptr), color, len1 * 2); /* FORSE NON* 2???*/ |
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| 183 | bank_num++; |
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| 184 | Load_Write_Bank_256(bank_num); |
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| 185 | display_ptr = 0; |
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| 186 | /* Clr_Part(color, length_2, display_ptr);*/ |
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| 187 | memsetw((LIN_ADDR)(0xA0000 + display_ptr), color, len2 * 2); /* FORSE NON* 2??? */ |
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| 188 | display_ptr = bytes_per_row - (2 * len1); |
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| 189 | } else { |
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| 190 | /* Clr_Part(color, dx, display_ptr);*/ |
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| 191 | memsetw((LIN_ADDR)(0xA0000 + display_ptr), color, dx * 2); /* FORSE NON* 2??? */ |
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| 192 | display_offset = (DWORD)display_ptr + (DWORD)bytes_per_row; |
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| 193 | if (display_offset >= 65536L) { |
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| 194 | bank_num++; |
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| 195 | Load_Write_Bank_256(bank_num); |
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| 196 | display_ptr = display_offset - 65536L; |
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| 197 | } else { |
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| 198 | display_ptr += bytes_per_row; |
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| 199 | } |
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| 200 | } |
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| 201 | row++; |
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| 202 | } while (row <= y2); |
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| 203 | Load_Write_Bank_256(0); |
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| 204 | } |
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| 205 | |||
| 206 | void linBox16(WORD x1, WORD y1, WORD x2, WORD y2, DWORD color) |
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| 207 | { |
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| 208 | WORD bpr; |
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| 209 | DWORD addr; |
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| 210 | WORD dx, y; |
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| 211 | |||
| 212 | bpr = gd_getbpr(); |
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| 213 | addr = flbaddr + x1 * 2 + bpr * y1; |
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| 214 | dx = (x2 - x1 + 1) * 2; |
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| 215 | /*dx = (x2 - x1) * 2;*/ |
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| 216 | |||
| 217 | for (y = y1; y <= y2; y++) { |
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| 218 | memsetw((LIN_ADDR)addr, color, dx); |
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| 219 | addr += bpr; |
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| 220 | } |
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| 221 | } |
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| 222 | |||
| 223 | void WrRect_Hi(WORD x1, WORD y1, WORD x2, WORD y2, DWORD color) |
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| 224 | { |
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| 225 | WORD bank, offs, ebank, eoffs; |
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| 226 | WORD bpr; |
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| 227 | WORD line_segment, len; |
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| 228 | WORD y; |
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| 229 | |||
| 230 | bpr = gd_getbpr(); |
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| 231 | len = 1 + x2 - x1; |
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| 232 | Seg_Off_Hi(x2, y1, bpr, &eoffs, &ebank); |
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| 233 | Seg_Off_Hi(x1, y1, bpr, &offs, &bank); |
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| 234 | Load_Write_Bank_256(bank); |
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| 235 | if (bank == ebank) { |
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| 236 | memsetw((LIN_ADDR)(0xA0000 + offs), color, len * 2); /* NON CI VA * 2???*/ |
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| 237 | } else { |
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| 238 | line_segment = 65536L - offs; |
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| 239 | memsetw((LIN_ADDR)(0xA0000 + offs), color, line_segment); /* NON CI VA * 2???*/ |
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| 240 | Load_Write_Bank_256(ebank); |
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| 241 | memsetw((LIN_ADDR)0xA0000, color, eoffs); /* NON CI VA * 2??? */ |
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| 242 | } |
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| 243 | for (y = y1 + 1; y <= y2 + 1; y++) { |
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| 244 | Seg_Off_Hi(x1, y, bpr, &offs, &bank); |
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| 245 | Load_Write_Bank_256(bank); |
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| 246 | lmempokew((LIN_ADDR)(0xA0000 + offs), color); |
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| 247 | Seg_Off_Hi(x2, y, bpr, &offs, &bank); |
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| 248 | Load_Write_Bank_256(bank); |
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| 249 | lmempokew((LIN_ADDR)(0xA0000 + offs), color); |
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| 250 | } |
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| 251 | Seg_Off_Hi(x2, y2, bpr, &eoffs, &ebank); |
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| 252 | Seg_Off_Hi(x1, y2, bpr, &offs, &bank); |
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| 253 | Load_Write_Bank_256(bank); |
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| 254 | if (bank == ebank) { |
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| 255 | memsetw((LIN_ADDR)(0xA0000 + offs), color, len * 2); /* NON CI VA * 2???*/ |
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| 256 | } else { |
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| 257 | line_segment = 65536L - offs; |
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| 258 | memsetw((LIN_ADDR)(0xA0000 + offs), color, line_segment); /* NON CI VA * 2???*/ |
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| 259 | Load_Write_Bank_256(ebank); |
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| 260 | memsetw((LIN_ADDR)0xA0000, color, eoffs); /* NON CI VA * 2???*/ |
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| 261 | } |
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| 262 | } |
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| 263 | |||
| 264 | void linRect16(WORD x1, WORD y1, WORD x2, WORD y2, DWORD color) |
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| 265 | { |
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| 266 | WORD bpr; |
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| 267 | DWORD addr; |
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| 268 | WORD dx, y; |
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| 269 | |||
| 270 | bpr = gd_getbpr(); |
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| 271 | addr = flbaddr + x1 * 2 + bpr * y1; |
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| 272 | dx = (x2 - x1) * 2; |
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| 273 | |||
| 274 | memsetw((LIN_ADDR)addr, color, dx+2); |
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| 275 | addr += bpr; |
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| 276 | |||
| 277 | for (y = y1 + 1; y <= y2 - 1; y++) { |
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| 278 | lmempokew((LIN_ADDR)addr, color); |
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| 279 | lmempokew((LIN_ADDR)(addr + dx), color); |
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| 280 | addr += bpr; |
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| 281 | } |
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| 282 | memsetw((LIN_ADDR)addr, color, dx+2); |
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| 283 | } |
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| 284 | |||
| 285 | void WrText_Hi(char *text, WORD x, WORD y, DWORD fg, DWORD bg) |
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| 286 | { |
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| 287 | DWORD fp; |
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| 288 | WORD offs, bank; |
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| 289 | WORD bpr; |
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| 290 | int r, c, bits; |
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| 291 | |||
| 292 | bpr = gd_getbpr(); |
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| 293 | while (*text) { |
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| 151 | giacomo | 294 | fp = (DWORD)&(font_table[*(BYTE *)text][0]); |
| 2 | pj | 295 | for (r=0; r<8; r++) { |
| 296 | bits = lmempeekb((LIN_ADDR)(fp++)); |
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| 297 | for (c=0; c<8; c++) |
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| 298 | if (bits & (0x80>>c)) { |
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| 299 | Seg_Off_Hi(x + c, y + r, bpr, &offs, &bank); |
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| 300 | Load_Write_Bank_256(bank); |
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| 301 | lmempokew((LIN_ADDR)(0xA0000 + offs), fg); |
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| 302 | } |
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| 303 | /* lmempokew((LIN_ADDR)(addr + (y + r) * bpr + x + c), fg);*/ |
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| 304 | /* vbe_putpixel((x+c),(y+r),fg);*/ |
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| 305 | else { |
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| 306 | Seg_Off_Hi(x + c, y + r, bpr, &offs, &bank); |
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| 307 | Load_Write_Bank_256(bank); |
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| 308 | lmempokew((LIN_ADDR)(0xA0000 + offs), bg); |
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| 309 | } |
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| 310 | /* lmempokew((LIN_ADDR)(addr + (y + r) * bpr + x + c), bg);*/ |
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| 311 | /* vbe_putpixel((x+c), (y+r), bg);*/ |
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| 312 | } |
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| 313 | text++; |
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| 314 | x += 8; |
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| 315 | } |
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| 316 | } |
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| 317 | |||
| 318 | void linText16(char *text, WORD x, WORD y, DWORD fg, DWORD bg) |
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| 319 | { |
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| 320 | DWORD fp, addr; |
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| 321 | WORD bpr; |
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| 322 | int r, c, bits; |
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| 323 | |||
| 324 | bpr = gd_getbpr(); |
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| 325 | addr = gd_getflb(); |
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| 326 | while (*text) { |
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| 327 | /*DOSSetAddr(fp, (fontaddr + (8 * *(BYTE *)text)));*/ |
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| 328 | /*DOSSetAddr(fp, (fontaddr + (8 * *(BYTE *)text)));*/ |
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| 151 | giacomo | 329 | fp = (DWORD)&(font_table[*(BYTE *)text][0]); |
| 2 | pj | 330 | for (r=0; r<8; r++) { |
| 331 | bits = lmempeekb((LIN_ADDR)fp++); |
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| 332 | for (c=0; c<8; c++) |
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| 333 | if (bits & (0x80>>c)) |
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| 334 | lmempokew((LIN_ADDR)(addr + (y + r) * bpr + ((x + c) * 2)), fg); |
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| 335 | /* vbe_putpixel((x+c),(y+r),fg);*/ |
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| 336 | else |
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| 337 | lmempokew((LIN_ADDR)(addr + (y + r) * bpr + ((x + c) * 2)), bg); |
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| 338 | /* vbe_putpixel((x+c), (y+r), bg);*/ |
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| 339 | } |
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| 340 | text++; |
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| 341 | x += 8; |
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| 342 | } |
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| 343 | } |
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| 344 | |||
| 345 | void WrLine_Hi(WORD x1, WORD y1, WORD x2, WORD y2, DWORD color) |
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| 346 | { |
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| 347 | int dx, dy, incr1, incr2, d, x, y, xend, yend, yinc, xinc; |
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| 348 | WORD bpr; |
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| 349 | WORD bank, offs, ebank, eoffs; |
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| 350 | WORD line_segment, len; |
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| 351 | |||
| 352 | bpr = gd_getbpr(); |
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| 353 | if (y2 == y1) { |
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| 354 | y = y1; |
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| 355 | if (x1 > x2) { |
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| 356 | xend = x1; |
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| 357 | x1 = x2; |
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| 358 | x2 = xend; |
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| 359 | } |
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| 360 | /* WrHline_256(x1, x2, y1, color, bpr); */ |
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| 361 | len = 1 + x2 - x1; |
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| 362 | Seg_Off_Hi(x2, y, bpr, &eoffs, &ebank); |
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| 363 | Seg_Off_Hi(x1, y, bpr, &offs, &bank); |
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| 364 | Load_Write_Bank_256(bank); |
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| 365 | if (bank == ebank) { |
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| 366 | memsetw((LIN_ADDR)(0xA0000 + offs), color, len * 2); |
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| 367 | } else { |
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| 368 | line_segment = 65536L - offs; |
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| 369 | memsetw((LIN_ADDR)(0xA0000 + offs), color, line_segment); |
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| 370 | Load_Write_Bank_256(ebank); |
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| 371 | memsetw((LIN_ADDR)0xA0000, color, eoffs); |
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| 372 | } |
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| 373 | } else { |
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| 374 | dx = abs(x2 - x1); |
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| 375 | dy = abs(y2 - y1); |
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| 376 | if (dx >= dy) { |
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| 377 | if (x1 > x2) { |
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| 378 | x = x2; |
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| 379 | y = y2; |
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| 380 | xend = x1; |
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| 381 | if (dy == 0) { |
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| 382 | yinc = 0; |
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| 383 | } else { |
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| 384 | if (y2 > y1) { |
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| 385 | yinc = -1; |
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| 386 | } else { |
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| 387 | yinc = 1; |
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| 388 | } |
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| 389 | } |
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| 390 | } else { |
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| 391 | x = x1; |
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| 392 | y = y1; |
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| 393 | xend = x2; |
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| 394 | if (dy == 0) { |
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| 395 | yinc = 0; |
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| 396 | } else { |
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| 397 | if (y2 > y1) { |
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| 398 | yinc =1; |
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| 399 | } else { |
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| 400 | yinc = -1; |
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| 401 | } |
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| 402 | } |
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| 403 | } |
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| 404 | incr1 = 2 * dy; |
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| 405 | d = incr1 - dx; |
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| 406 | incr2 = 2 * (dy - dx); |
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| 407 | Seg_Off_Hi(x, y, bpr, &offs, &bank); |
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| 408 | Load_Write_Bank_256(bank); |
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| 409 | lmempokew((LIN_ADDR)(0xA0000 + offs), color); |
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| 410 | while (x < xend) { |
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| 411 | x++; |
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| 412 | if (d < 0) { |
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| 413 | d += incr1; |
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| 414 | } else { |
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| 415 | y += yinc; |
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| 416 | d += incr2; |
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| 417 | } |
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| 418 | Seg_Off_Hi(x, y, bpr, &offs, &bank); |
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| 419 | Load_Write_Bank_256(bank); |
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| 420 | lmempokew((LIN_ADDR)(0xA0000 + offs), color); |
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| 421 | } |
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| 422 | } else { |
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| 423 | if (y1 > y2) { |
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| 424 | x = x2; |
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| 425 | y = y2; |
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| 426 | yend = y1; |
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| 427 | if (dx == 0) { |
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| 428 | xinc = 0; |
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| 429 | } else { |
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| 430 | if (x2 > x1) { |
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| 431 | xinc = -1; |
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| 432 | } else { |
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| 433 | xinc = 1; |
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| 434 | } |
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| 435 | } |
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| 436 | } else { |
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| 437 | x = x1; |
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| 438 | y = y1; |
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| 439 | yend = y2; |
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| 440 | if (dx == 0) { |
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| 441 | xinc = 0; |
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| 442 | } else { |
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| 443 | if (x2 > x1) { |
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| 444 | xinc = 1; |
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| 445 | } else { |
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| 446 | xinc = -1; |
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| 447 | } |
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| 448 | } |
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| 449 | } |
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| 450 | incr1 = 2 * dx; |
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| 451 | d = incr1 - dy; |
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| 452 | incr2 = 2 * (dx - dy); |
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| 453 | Seg_Off_Hi(x, y, bpr, &offs, &bank); |
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| 454 | Load_Write_Bank_256(bank); |
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| 455 | lmempokew((LIN_ADDR)(0xA0000 + offs), color); |
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| 456 | while (y < yend) { |
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| 457 | y++; |
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| 458 | if (d < 0) { |
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| 459 | d += incr1; |
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| 460 | } else { |
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| 461 | x += xinc; |
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| 462 | d += incr2; |
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| 463 | } |
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| 464 | Seg_Off_Hi(x, y, bpr, &offs, &bank); |
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| 465 | Load_Write_Bank_256(bank); |
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| 466 | lmempokew((LIN_ADDR)(0xA0000 + offs), color); |
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| 467 | } |
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| 468 | } |
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| 469 | } |
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| 470 | } |
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| 471 | |||
| 472 | void linLine16(WORD x1, WORD y1, WORD x2, WORD y2, DWORD color) |
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| 473 | { |
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| 474 | register int t, distance; |
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| 475 | register DWORD addr; |
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| 476 | register WORD bpr; |
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| 477 | int xerr=0, yerr=0, deltax, deltay; |
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| 478 | int incx, incy; |
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| 479 | |||
| 480 | bpr = gd_getbpr(); |
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| 481 | addr = gd_getflb(); |
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| 482 | deltax = x2 - x1; /* compute both distances */ |
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| 483 | deltay = y2 - y1; |
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| 484 | |||
| 485 | if (deltax > 0) /* compute increments */ |
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| 486 | incx = 1; |
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| 487 | else if (deltax == 0) |
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| 488 | incx = 0; |
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| 489 | else |
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| 490 | incx = -1; |
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| 491 | |||
| 492 | if (deltay > 0) |
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| 493 | incy = 1; |
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| 494 | else if (deltay == 0) |
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| 495 | incy = 0; |
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| 496 | else |
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| 497 | incy = -1; |
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| 498 | |||
| 499 | deltax = abs(deltax); /* determine greater distance */ |
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| 500 | deltay = abs(deltay); |
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| 501 | if (deltax > deltay) |
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| 502 | distance = deltax; |
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| 503 | else |
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| 504 | distance = deltay; |
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| 505 | |||
| 506 | for (t=0; t<=distance+1; t++) { /* draw the line */ |
||
| 507 | /* vbe_putpixel(x1, y1, colour);*/ |
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| 508 | lmempokew((LIN_ADDR)(addr + y1 * bpr + (x1 * 2)), color); |
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| 509 | xerr += deltax; |
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| 510 | yerr += deltay; |
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| 511 | if (xerr > distance) { |
||
| 512 | xerr -= distance; |
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| 513 | x1 += incx; |
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| 514 | } |
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| 515 | if (yerr > distance) { |
||
| 516 | yerr -= distance; |
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| 517 | y1 += incy; |
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| 518 | } |
||
| 519 | } |
||
| 520 | } |
||
| 521 | |||
| 522 | void WrPixel_Hi(WORD x, WORD y, DWORD color) |
||
| 523 | { |
||
| 524 | WORD bpr; |
||
| 525 | WORD bank, offs; |
||
| 526 | |||
| 527 | bpr = gd_getbpr(); |
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| 528 | Seg_Off_Hi(x, y, bpr, &offs, &bank); |
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| 529 | Load_Write_Bank_256(bank); |
||
| 530 | lmempokew((LIN_ADDR)(0xA0000 + offs), color); |
||
| 531 | /* Load_Write_Bank_256(0);*/ |
||
| 532 | } |
||
| 533 | |||
| 534 | void linWr16(WORD x, WORD y, DWORD color) |
||
| 535 | { |
||
| 536 | WORD bpr; |
||
| 537 | |||
| 538 | bpr = gd_getbpr(); |
||
| 539 | lmempokew((LIN_ADDR)(flbaddr + y * bpr + (x * 2)), color); |
||
| 540 | } |
||
| 541 | |||
| 542 | DWORD RdPixel_Hi(WORD x, WORD y) |
||
| 543 | { |
||
| 544 | WORD bpr; |
||
| 545 | WORD bank, offs; |
||
| 546 | DWORD rv; |
||
| 547 | |||
| 548 | bpr = gd_getbpr(); |
||
| 549 | Seg_Off_Hi(x, y, bpr, &offs, &bank); |
||
| 550 | Load_Write_Bank_256(bank); |
||
| 551 | rv = lmempeekw((LIN_ADDR)(0xA0000 + offs)); |
||
| 552 | return rv; |
||
| 553 | } |
||
| 554 | |||
| 555 | DWORD linRd16(WORD x, WORD y) |
||
| 556 | { |
||
| 557 | WORD bpr; |
||
| 558 | DWORD rv; |
||
| 559 | |||
| 560 | bpr = gd_getbpr(); |
||
| 561 | rv = lmempeekw((LIN_ADDR)(flbaddr + y * bpr + (x * 2))); |
||
| 562 | return rv; |
||
| 563 | } |
||
| 564 |